How the Yankees Play the Market

It doesn't matter if Tim Naehring is sitting at a ballpark on the other side of the country or flipping channels in a hotel room. Every time Yankee catcher Russell Martin hits a line drive or a home run, he smiles. "As of right now, I'm probably one of Russell Martin's biggest cheerleaders," he said with a laugh.

Naehring is one of the Yankees' top scouts, a former major-league infielder. Now he makes bets for a living. But instead of betting on skinny, gawky kids, he bets that major-leaguers like Martin, or Eric...